Home / 137,968.80-206,953.20-132,063.90

Finding the Fourth Proportional to 137,968.80, 206,953.20 and 132,063.90

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Solution

The fourth proportional to 137,968.80, 206,953.20 and 132,063.90 is: 198,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,968.80 : 206,953.20 = 132,063.90 : x
  2. Step 2: Convert to fraction form
    137,968.80/206,953.20 = 132,063.90/x
  3. Step 3: Cross multiply
    137,968.80x = 206,953.20 × 132,063.90
  4. Step 4: Simplify right side
    137,968.80x = 27,331,046,709.48
  5. Step 5: Solve for x
    x = 27,331,046,709.48/137,968.80
  6. Step 6: Final answer
    x = 198,095.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.